Thumbnails: Difference between revisions
m Rephrase gdk-pixbuf intro |
f3d can create thumbnails for 3D model files |
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On minimal / custom desktop environments thumbnails in file explorers may not work by default. For example: | On minimal / custom desktop environments thumbnails in file explorers may not work by default. For example: | ||
* GNOME environments with the option <code>services.gnome.core-utilities.enable = false;</code> | * [[GNOME]] environments with the option <code>services.gnome.core-utilities.enable = false;</code> | ||
* Custom environments built from ground-up using window managers like | * Custom environments built from ground-up using window managers like [[Sway]] or [[Hyprland]] | ||
=== Save yourself hours of troubleshooting!! === | === Save yourself hours of troubleshooting!! === | ||
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<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix"> | ||
# configuration.nix | # configuration.nix | ||
{ pkgs, ... }: | { pkgs, ... }: | ||
{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.ffmpeg-headless | pkgs.ffmpeg-headless | ||
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# 'ffmpegthumbnailer.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | # 'ffmpegthumbnailer.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | ||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
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<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix"> | ||
# configuration.nix | # configuration.nix | ||
{ pkgs, ... }: | { pkgs, ... }: | ||
{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.gdk-pixbuf | pkgs.gdk-pixbuf | ||
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# 'gdk-pixbuf-thumbnailer.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | # 'gdk-pixbuf-thumbnailer.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | ||
}</syntaxhighlight> | |||
=== Enable 3D Model Thumbnails === | |||
Thumbnails for various 3D model files can be enabled by installing f3d:<syntaxhighlight lang="nix"> | |||
# configuration.nix | |||
{ pkgs, ... }: | |||
}</syntaxhighlight> | { | ||
environment.systemPackages = [ | |||
pkgs.f3d | |||
]; | |||
} | |||
</syntaxhighlight> | |||
=== Enable HEIF Image Thumbnails === | === Enable HEIF Image Thumbnails === | ||
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<syntaxhighlight lang="nix"> | <syntaxhighlight lang="nix"> | ||
# configuration.nix | # configuration.nix | ||
{ pkgs, ... }: | { pkgs, ... }: | ||
{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.libheif | pkgs.libheif | ||
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# 'heif.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | # 'heif.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | ||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
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{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.gdk-pixbuf | pkgs.gdk-pixbuf | ||
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# Test other formats by adding them above | # Test other formats by adding them above | ||
]; | ]; | ||
} | } | ||
</syntaxhighlight> | </syntaxhighlight> | ||
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<syntaxhighlight lang="nix"># configuration.nix | <syntaxhighlight lang="nix"># configuration.nix | ||
{ pkgs, ... }: | { pkgs, ... }: | ||
{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.nufraw | pkgs.nufraw | ||
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# 'nufraw.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | # 'nufraw.thumbnailer' is created in '/run/current-system/sw/share/thumbnailers' | ||
}</syntaxhighlight> | }</syntaxhighlight> | ||
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Output of <code>cat /run/current-system/sw/share/thumbnailers/nufraw.thumbnailer</code>: | Output of <code>cat /run/current-system/sw/share/thumbnailers/nufraw.thumbnailer</code>: | ||
<syntaxhighlight lang=" | <syntaxhighlight lang="desktop"> | ||
[Thumbnailer Entry] | [Thumbnailer Entry] | ||
TryExec=/nix/store/piss9dl8i5xnfm5yagdffgxycm8lsqpl-nufraw-0.43-3/bin/nufraw-batch | TryExec=/nix/store/piss9dl8i5xnfm5yagdffgxycm8lsqpl-nufraw-0.43-3/bin/nufraw-batch | ||
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{ | { | ||
environment.systemPackages = [ | environment.systemPackages = [ | ||
pkgs.nufraw | pkgs.nufraw | ||
pkgs.nufraw-thumbnailer | pkgs.nufraw-thumbnailer | ||
# Thumbnails | # Thumbnails from 'raw' data and include EXIF tags for Adobe-DNG images | ||
(pkgs.writeTextFile { | (pkgs.writeTextFile { | ||
name = "my-custom-nufraw-thumbnailer"; | name = "my-custom-nufraw-thumbnailer"; | ||
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}) | }) | ||
# MimeTypes not listed here but listed in the default nufraw.thumbnailer will continue displaying | # MimeTypes not listed here but listed in the default nufraw.thumbnailer will continue displaying | ||
# thumbnails generated from the 'embedded jpeg' without the EXIF metadata | |||
]; | ]; | ||
}</syntaxhighlight> | }</syntaxhighlight> | ||
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<syntaxhighlight lang="nix"># configuration.nix | <syntaxhighlight lang="nix"># configuration.nix | ||
{ pkgs, ... }: { | { pkgs, ... }: | ||
{ | |||
environment.systemPackages = [ | environment.systemPackages = [ | ||
( | (pkgs.writeTextFile { | ||
# This can be anything, it's just the name of the derivation in the nix store | |||
name = "krita-thumbnailer"; | |||
# This is the important part, the path under which this will be installed | |||
destination = "/share/thumbnailers/kra.thumbnailer"; | |||
# The contents of your thumbnailer, don't forget to specify the full path to executables | |||
text = '' | |||
[Thumbnailer Entry] | |||
Exec=sh -c "${pkgs.unzip}/bin/unzip -p %i preview.png > %o" | |||
MimeType=application/x-krita; | |||
''; | |||
}) | |||
]; | ]; | ||
}</syntaxhighlight> | }</syntaxhighlight> | ||